For positive integers \(\alpha _1\)  and \(\alpha _2\) , the estimator \(\delta _{\psi _{2,1}^{*}}(\underline{X})\)  was also derived by [1]}. Obviously, \(\delta _{\psi _{0,1}}(\cdot )\)  is the generalized Bayes estimator with respect to the non-informative prior density on \(\Theta _0\) .
